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I am currently running Red Hat 7.2 with the 2.4.7-10 kernel configured to dual boot both Linux and Windows 2000 Professional, behind a cable / DSL router which performs NAT for my private LAN. Since many IRC networks require an ident service in order to connect, I have configured the router to forward port 113 to the RH / Win machine, and I would like to enable an ident service which will service the entire private LAN.
When the RH / Win machine is booted to Windows 2K Pro, I use a freeware ident server to provide serivce for the entire private LAN, i.e. other machines behind the router can also connect to the IRC network even though the ident server is only on the RH / Win machine. I attempted to use the identd daemon that is included with RH 7.2 (pidentd 3.0.1.4) when the RH / Win machine is booted to RH. However, the pidentd daemon will only authenticate users on the local machine, prohibiting other machines on the private LAN from accessing the IRC network.
I am looking for a method to either:
a) configure the pidentd daemon to provide service for the entire LAN (different ident queries directed at different machines on the private LAN should receive the same ident response); or,
b) install and configure a different identd daemon to provide the service described in a).
Just intall oidentd from http://dev.ojnk.net
Read the install docs that come with it. It's quite easy to set up. And has some extra features like spoofing which might be usefull.
Unfortunately oidentd only works for hosts using the local machine as the source for IP masquerading, which I am not doing because I have a seperate device (cable / dsl router which performs NAT routing).
The solution is called 'fake identd' - see http://freshmeat.net/projects/fakeidentd/ for details. It doesn't attempt to resolve to a process on the local machine, and can use a statically configured reply for all ident (auth) queries (tcp/udp port 113).
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